greyout灰晕,灰暗greyadj.灰色的n.灰色vi.变成灰色=<美>grayGrey lodge rhabdovirus灰兽穴弹状病毒grey jacquard tussores提花罗坯grey forecasting model灰色预测模型grey relational system灰色关联理论Grey decision-making灰色局势决策grey correlation model灰色关联模型greyspace relationship灰色位关联度grey clustering method灰色聚类法grey rational analysis灰色关联分析grey predication model灰色预测模型